Cheap flights from Idaho to Seattle from $61
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Seattle departing on 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Idaho to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
In general, September is the cheapest month to fly from Idaho to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $176. If you don’t want to visit Seattle in September, then you should wait until October to fly from Idaho, when ticket prices are also cheap, with an average price of $176.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Idaho is on a Thursday. momondo users have found tickets for Thursday departures for as low as $420. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Idaho because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $516.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Idaho in the evening is the least expensive time of day to depart. momondo users have found prices as low as $395 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $476. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Idaho to Seattle/Tacoma Intl flight route?
Fly from Boise Air Term. Gowen Fld to Seattle/Tacoma Intl for the best Idaho - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Idaho when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $198 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Idaho for as low as $170 on momondo.
What cabin class options are available on Idaho to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Idaho to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Idaho to Seattle/Tacoma Intl?
Alaska Airlines, Delta, and Hawaiian Airlines are the most popular carriers operating from Idaho to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Idaho according to our data. Alaska Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Idaho to Seattle on average per day?
119 flights are operational daily from Idaho to Seattle as of June 2025. The most popular departure time for this route is 10:00AM, with 54% of flights per day taking off at noon.
How many flights depart from Idaho to Seattle on average per week?
The number of flights available between Idaho and Seattle is 834 per week as of June 2025. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.
Cheap Idaho to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho to Seattle
When did momondo last update prices for flights from Idaho to Seattle/Tacoma Intl Airport?
Prices for flights from Idaho to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Idaho to Seattle/Tacoma Intl Airport?
As of June 2025, there are 3 operators available to choose from for flights from Idaho to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Idaho to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Idaho to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Idaho to Seattle is Embraer 175, representing 47.23% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 17.41%, Boeing 737-900 Passenger/BBJ3 (winglets) at 12.59%, and Boeing 737 at 7.14%.
Best airlines flying from Idaho to Seattle
Compare and see reviews for airlines that fly from Idaho to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $117 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $119 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 8.0 10,000 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Idaho to Seattle?
Finding the right flight to Seattle from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.
Can I find flights from Idaho to Seattle with flexible booking policies on momondo?
All flight searches from Idaho to Seattle on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Idaho to Seattle?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Seattle.
I’m not ready to book a flight from Idaho to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Idaho to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.